1. Of the judgment of the court of first instance, the part against the plaintiff corresponding to the money ordered to pay below shall be revoked.

The defendant.

In light of the following circumstances, in light of the evidence Nos. 15, 7, 10-1, 2, and 12 of the evidence Nos. 10-1, 6-2 of the evidence Nos. 6-2, the testimony of the witness A of the trial court and the overall purport of the pleadings as a result of the commission of appraisal to the appraiser B of the trial court at the trial court, it is reasonable to view the additional steel construction cost as KRW 38,751, 892 as the result of the commission of appraisal to the appraiser B of the trial court at the trial court.

① As the part of the instant additional steel frame construction that the Plaintiff performed, the Plaintiff specified the instant additional construction work, i.e., the sn beam processing, columns and beams construction, the non-water-free construction, the construction of the cn beam, the construction of the cn beam, the construction of the 2nd floor hexa, the construction of the 2nd floor Annppppplate and the posters-V, the rooftop nppplate construction, and the construction of the rooftop nppplate and the posters-2. In full view of the respective descriptions in the evidence Nos. 7, 14, and 15 and the images in the evidence No. 6-2

[2] The defendant asserts that the plaintiff's additional construction is merely a construction process using only 7 parts of the H beam of the stairs 300*300*10*12, 250*250*90*14, 250*2, 250*2509*14, and 7 parts of the Hallll stairs 9-1 and 2. The above argument is not acceptable. ② The appraiser B used the evidence 7, 14, 15, etc. submitted by the plaintiff as the basic material in calculating the quantity of the additional steel construction of this case (300*30*10*12, the part of the additional steel construction of this case is specific, the amount of additional steel construction of the appraiser falling under the category of the additional steel construction of this case, the amount of additional steel construction of this case is determined differently from the total construction amount of the steel construction of this case, and the part of the additional steel construction of this case, the plaintiff's additional steel construction of this case, and the total construction amount of reinforced steel construction of this case.